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How Much Body Fat Percentage Calculator

Body Fat Percentage Formula:

\[ \text{Body Fat %} = (1.20 \times \text{BMI}) + (0.23 \times \text{age}) - (10.8 \times \text{sex}) - 5.4 \]

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1. What is Body Fat Percentage?

Body fat percentage is a measure of the amount of fat in your body compared to your total body weight. It provides a more accurate assessment of health and fitness than body weight alone, as it distinguishes between fat mass and lean body mass.

2. How Does the Calculator Work?

The calculator uses the Body Fat Percentage formula:

\[ \text{Body Fat %} = (1.20 \times \text{BMI}) + (0.23 \times \text{age}) - (10.8 \times \text{sex}) - 5.4 \]

Where:

Explanation: This equation estimates body fat percentage based on BMI, age, and sex, providing a quick assessment of body composition.

3. Importance of Body Fat Percentage

Details: Monitoring body fat percentage is important for assessing health risks, tracking fitness progress, and maintaining optimal body composition. High body fat percentage is associated with increased risk of various health conditions.

4. Using the Calculator

Tips: Enter your BMI (calculated from height and weight), age in years, and select your sex. All values must be valid (BMI > 0, age between 1-120).

5. Frequently Asked Questions (FAQ)

Q1: What is a healthy body fat percentage range?
A: For men: 6-24%, for women: 16-30%. Optimal ranges vary by age and fitness level.

Q2: How accurate is this calculation method?
A: This formula provides a reasonable estimate but may not be as accurate as methods like DEXA scans or hydrostatic weighing.

Q3: How often should I measure my body fat percentage?
A: Monthly measurements are sufficient for tracking changes. Daily fluctuations are normal and not meaningful.

Q4: Can this formula be used for athletes?
A: While it can provide an estimate, athletes may benefit from more precise measurement methods due to their unique body composition.

Q5: How can I improve my body fat percentage?
A: Through a combination of regular exercise (both cardio and strength training) and a balanced, calorie-controlled diet.

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